Magnitude mb 4.5 Region OFF EAST COAST OF HONSHU, JAPAN Date time 2015-02-20 09:46:24.4 UTC Location 39.34 N ; 143.91 E Depth 30 km Distances 289 km NE of Sendai-shi, Japan / pop: 1,037,562 / local time: 18:46:24.4 2015-02-20 241 km E of Morioka-shi, Japan / pop: 295,172 / local time: 18:46:24.4 2015-02-20 169 km E of Yamada, Japan / pop: 20,144 / local time: 18:46:24.4 2015-02-20 Source parameters reviewed by a seismologist Magnitude mb 4.1 Region OFF EAST COAST OF HONSHU, JAPAN Date time 2015-02-20 12:56:36.1 UTC Location 39.62 N ; 143.54 E Depth 30 km Distances 276 km NE of Sendai-shi, Japan / pop: 1,037,562 / local time: 21:56:36.1 2015-02-20 205 km E of Morioka-shi, Japan / pop: 295,172 / local time: 21:56:36.1 2015-02-20 136 km E of Miyako, Japan / pop: 51,721 / local time: 21:56:36.1 2015-02-20 Source parameters not yet reviewed by a seismologist Magnitude mb 4.4 Region OFF EAST COAST OF HONSHU, JAPAN Date time 2015-02-20 15:57:45.2 UTC Locatio...